<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input  v-model="keyword" placeholder="请输入关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="keywordQuery" >查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd" >新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

    <!--列表-->
    <el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="sn" label="部门编号" width="120" >
			</el-table-column>
      <el-table-column prop="name" label="姓名" width="120" >
      </el-table-column>
			<el-table-column prop="state" label="状态" width="100" >
        <template scope="scope">
          <span style="color: green" v-if="scope.row.state==1">启用</span>
          <span style="color: red" v-else>禁用</span>
        </template>

			</el-table-column>
			<el-table-column prop="username.username" label="经理" width="100" sortable>
			</el-table-column>
			<el-table-column prop="parent.name" label="上级部门" width="120" sortable>
			</el-table-column>
			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)" v-perm="'department:save'">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)" v-perm="'department:delete'">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0" v-perm="'department:patchDel'">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :page-size="pageSize"
                     :current-page="currentPage"
                     :total="totals"
                     style="float:right;">
      </el-pagination>
    </el-col>

		<!--编辑界面-->
		<el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
			<el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
				<el-form-item label="部门编号" prop="sn">
					<el-input v-model="saveForm.sn" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="部门名称" prop="name">
					<el-input v-model="saveForm.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="状态">
					<el-radio-group v-model="saveForm.state">
						<el-radio class="radio" :label="1">启用</el-radio>
						<el-radio class="radio" :label="0">禁用</el-radio>
					</el-radio-group>
				</el-form-item>
        <el-form-item label="管理员" prop="manager_id">
          <!--<el-input v-model="saveForm.manager_id" auto-complete="off"></el-input>-->
          <el-select v-model="saveForm.manager_id" placeholder="请选择">
            <el-option
                v-for="item in managers"
                :label="item.username"
                :value="item.id">
              <span style="float: left">{{ item.username }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="上级部门">
            <el-cascader v-model="saveForm.parent_id"
                         :options="deptTree"
                         :props="{
            	checkStrictly: true,
                label: 'name', // 级联框显示那个属性的值
                value: 'id'    // 回显时需要,回传值的时候也需要
            }" clearable>
            </el-cascader>
          <!--</el-form-item>-->
        </el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="saveFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
			</div>



		</el-dialog>


	</section>
</template>

<script>

	export default {
		data() {
			return {
        departments: [],
        currentPage: 1,/*当前页*/
        pageSize: 5,/*每页显示条数*/
        totals: 0, /*总条数*/

        //关键字查询
        keyword:'',
        //列表选中列
        sels: [],
        //管理员信息
        managers:[],
        //部门级联选择器
        deptTree:[],

				filters: {
					name: ''
				},

				total: 0,
				page: 1,
				listLoading: false,


				saveFormVisible: false,//编辑界面是否显示
        title: '',
				saveLoading: false,
				saveFormRules: {
          sn: [
						{ required: true, message: '请输入编号', trigger: 'blur' }
					],
          name: [
            { required: true, message: '请输入姓名', trigger: 'blur' }
          ]
				},



				//编辑界面数据
				saveForm: {
					id: null,
          sn:'',
					name: '',
					state: '',
          manager_id: null,
          parent_id: null
				},
			}
		},
		methods: {


      //1.获取部门列表
      getDepartments() {
        let para = {
          currentPage: this.currentPage,
          pageSize: this.pageSize,
          keyword: this.keyword
        };

        this.listLoading = true; //开启忙等框
        this.$http.post("/department",para).then(res=>{

          this.departments=res.data.data;
          this.totals=res.data.totals;
          this.listLoading = false; //关闭忙等框

        }).catch(res=>{
          this.$message.error("系统繁忙，请稍后重试!!!")
        })
      },

      //高级查询
      keywordQuery(){
        this.currentPage = 1;
        this.getDepartments();
      },


			//性别显示转换
			formatSex: function (row, column) {
				return row.sex == 1 ? '男' : row.sex == 0 ? '女' : '未知';
			},
			handleCurrentChange(val) {
				this.currentPage = val;
				this.getDepartments();
			},

			//删除
			handleDel: function (index, row) {
				this.$confirm('确认删除该记录吗?', '提示', {
					type: 'warning'
				}).then(() => {
					this.listLoading = true;
					this.$http.delete("/department/"+row.id).then(res=>{
					  if(res.data.success){
					    let totalPage =  Math.ceil(this.totals/this.pageSize);
					    //如果当前页是最后一页(总页数) 而且是最后一条数据，并且不是第一页就 让当前页等于当前页减1
					    if (this.currentPage == totalPage && (this.totals - 1)%this.pageSize == 0 && this.currentPage!=1){
					      this.currentPage = this.currentPage-1;
              }
					    this.getDepartments()
            }else {
					    this.$massage.error("骚瑞，系统繁忙【500】")
            }
            this.listLoading = false;
          }).catch(res=>{
            this.$massage.error("骚瑞，系统繁忙【400/404】")
          })
				}).catch(() => {

				});
			},


      selsChange: function (sels) {
        this.sels = sels;
      },
      //批量删除
      batchRemove: function () {
        var ids = this.sels.map(item => item.id);
        this.$confirm('确认删除选中记录吗？', '提示', {
          type: 'warning'
        }).then(() => {
          this.listLoading = true;
         this.$http.patch("/department/",ids).then(res=>{
           if (res.data.success){
             this.currentPage = 1,
                 this.getDepartments()
           }else {
             this.$massage.error("骚瑞，系统繁忙【500】")
           }
           this.listLoading = false;
         }).catch(res=>{
           this.$massage.error("骚瑞，系统繁忙【400/404】")
         })
        }).catch(() => {

        });
      },

			//显示编辑界面
			handleEdit: function (index, row) {
        this.title = '编辑';
        this.getManager();
        this.getDeptTree();
				this.saveFormVisible = true;
				this.saveForm = Object.assign({}, row);
			},

      //点击新增按钮弹出对话框
      handleAdd: function () {
        this.title = "新增";
        this.saveForm = {
          id: null,
          sn: '',
          name: '',
          state: 1,
          manager_id: null,
          parent_id: null
        };
        this.getManager();
        this.getDeptTree();
        //弹出对话框
        this.saveFormVisible = true;
      },
			//添加编辑
			saveSubmit: function () {
				this.$refs.saveForm.validate((valid) => {
					if (valid) {
						this.$confirm('确认提交吗？', '提示', {}).then(() => {
							this.saveLoading = true;
							let result = this.saveForm.parent_id;
							if (result ==null || result.length == 0){
							  this.saveForm.parent_id = null;
              }
							if (result.length){
							  this.saveForm.parent_id = result[result.length-1]
              }else {
							  this.saveForm.parent_id = result;
              }

              this.$http.put("/department",this.saveForm).then(res=>{
                if (res.data.success){
                  this.getDepartments();
                }else {
                  this.$massage.error("骚瑞，系统繁忙【500】")
                }
                this.saveLoading = false;
              }).catch(res=>{
                this.$massage.error("骚瑞，系统繁忙【400/404】")
                this.saveLoading = false;
              })
						});
            this.saveFormVisible = false;
					}
				});
			},

      //获取所有管理员
      getManager(){
        this.$http.get("/employee").then(res=>{
          this.managers = res.data;
        })
      },

      getDeptTree(){
        this.$http.get("/department/dept").then(res=>{
          this.deptTree =  res.data;
        })
      }
		},

		mounted() {
			this.getDepartments();
		}
	}

</script>

<style scoped>

</style>